source: src/mlx/config.py@ 131:822f47eec5a8

Last change on this file since 131:822f47eec5a8 was 131:822f47eec5a8, checked in by István Váradi <ivaradi@…>, 12 years ago

Added option to take the flare time from the simulator
File size: 7.0 KB
Line 
1# Configuration and related stuff
2# -*- encoding: utf-8 -*-
3
4#-------------------------------------------------------------------------------
5
6import os
7import sys
8import ConfigParser
9
10#-------------------------------------------------------------------------------
11
12configPath = os.path.join(os.path.expanduser("~"),
13 "mlx.config" if os.name=="nt" else ".mlxrc")
14
15#-------------------------------------------------------------------------------
16
17if os.name=="nt":
18 _languageMap = { "en_GB" : "eng",
19 "hu_HU" : "hun" }
20
21#-------------------------------------------------------------------------------
22
23class Config(object):
24 """Our configuration."""
25 DEFAULT_UPDATE_URL = "http://mlx.varadiistvan.hu/update"
26
27 def __init__(self):
28 """Construct the configuration with default values."""
29
30 self._pilotID = ""
31 self._password = ""
32 self._rememberPassword = False
33
34 self._autoUpdate = True
35 self._updateURL = Config.DEFAULT_UPDATE_URL
36
37 self._language = ""
38 self._flareTimeFromFS = False
39
40 self._modified = False
41
42 @property
43 def pilotID(self):
44 """Get the pilot ID."""
45 return self._pilotID
46
47 @pilotID.setter
48 def pilotID(self, pilotID):
49 """Set the pilot ID."""
50 if pilotID!=self._pilotID:
51 self._pilotID = pilotID
52 self._modified = True
53
54 @property
55 def password(self):
56 """Get the password."""
57 return self._password
58
59 @password.setter
60 def password(self, password):
61 """Set the password."""
62 if password!=self._password:
63 self._password = password
64 self._modified = True
65
66 @property
67 def rememberPassword(self):
68 """Get if we should remember the password."""
69 return self._rememberPassword
70
71 @rememberPassword.setter
72 def rememberPassword(self, rememberPassword):
73 """Set if we should remember the password."""
74 if rememberPassword!=self._rememberPassword:
75 self._rememberPassword = rememberPassword
76 self._modified = True
77
78 @property
79 def language(self):
80 """Get the language to use."""
81 return self._language
82
83 @language.setter
84 def language(self, language):
85 """Set the language to use."""
86 if language!=self._language:
87 self._language = language
88 self._modified = True
89
90 @property
91 def flareTimeFromFS(self):
92 """Get whether the flare time should be calculated from the time values
93 returned by the simulator."""
94 return self._flareTimeFromFS
95
96 @flareTimeFromFS.setter
97 def flareTimeFromFS(self, flareTimeFromFS):
98 """Set whether the flare time should be calculated from the time values
99 returned by the simulator."""
100 if flareTimeFromFS!=self._flareTimeFromFS:
101 self._flareTimeFromFS = flareTimeFromFS
102 self._modified = True
103
104 @property
105 def autoUpdate(self):
106 """Get if an automatic update is needed."""
107 return self._autoUpdate
108
109 @autoUpdate.setter
110 def autoUpdate(self, autoUpdate):
111 """Set if an automatic update is needed."""
112 if autoUpdate!=self._autoUpdate:
113 self._autoUpdate = autoUpdate
114 self._modified = True
115
116 @property
117 def updateURL(self):
118 """Get the update URL."""
119 return self._updateURL
120
121 @updateURL.setter
122 def updateURL(self, updateURL):
123 """Set the update URL."""
124 if updateURL!=self._updateURL:
125 self._updateURL = updateURL
126 self._modified = True
127
128 def load(self):
129 """Load the configuration from its default location."""
130 config = ConfigParser.RawConfigParser()
131 config.read(configPath)
132
133 self._pilotID = self._get(config, "login", "id", "")
134 self._password = self._get(config, "login", "password", "")
135 self._rememberPassword = self._getBoolean(config, "login",
136 "rememberPassword", False)
137
138 self._autoUpdate = self._getBoolean(config, "update", "auto", True)
139 self._updateURL = self._get(config, "update", "url",
140 Config.DEFAULT_UPDATE_URL)
141
142 self._language = self._get(config, "general", "language", "")
143 self._flareTimeFromFS = self._getBoolean(config, "general",
144 "flareTimeFromFS",
145 False)
146
147 self._modified = False
148
149 def save(self):
150 """Save the configuration file if it has been modified."""
151 if not self._modified:
152 return
153
154 config = ConfigParser.RawConfigParser()
155
156 config.add_section("login")
157 config.set("login", "id", self._pilotID)
158 config.set("login", "password", self._password)
159 config.set("login", "rememberPassword",
160 "yes" if self._rememberPassword else "no")
161
162 config.add_section("update")
163 config.set("update", "auto",
164 "yes" if self._autoUpdate else "no")
165 config.set("update", "url", self._updateURL)
166
167 config.add_section("general")
168 if self._language:
169 config.set("general", "language", self._language)
170 config.set("general", "flareTimeFromFS",
171 "yes" if self._flareTimeFromFS else "no")
172
173 try:
174 fd = os.open(configPath, os.O_CREAT|os.O_TRUNC|os.O_WRONLY,
175 0600)
176 with os.fdopen(fd, "wt") as f:
177 config.write(f)
178 self._modified = False
179 except Exception, e:
180 print >> sys.stderr, "Failed to update config: " + str(e)
181
182 def _getBoolean(self, config, section, option, default):
183 """Get the given option as a boolean, if found in the given config,
184 otherwise the default."""
185 return config.getboolean(section, option) \
186 if config.has_option(section, option) \
187 else default
188
189 def _get(self, config, section, option, default):
190 """Get the given option as a string, if found in the given config,
191 otherwise the default."""
192 return config.get(section, option) \
193 if config.has_option(section, option) \
194 else default
195
196 def getLanguage(self):
197 """Get the language to be used."""
198 import locale
199 if self._language:
200 if os.name=="nt":
201 if self._language in _languageMap:
202 locale.setlocale(locale.LC_ALL, _languageMap[self._language])
203 else:
204 locale.setlocale(locale.LC_ALL, "")
205 else:
206 locale.setlocale(locale.LC_ALL, (self._language,
207 locale.getpreferredencoding()))
208 return self._language
209 else:
210 locale.setlocale(locale.LC_ALL, "")
211 return locale.getdefaultlocale()[0]
212
213#-------------------------------------------------------------------------------
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